Summary: Short documentary about life on board the HMS Narwhal (S.03), a mine laying, Porpoise class submarine.
Description: The film starts with Lieutenant Commander Ken Vause and his wife Joan at home before leaving home on his next voyage. It goes on to highlight the capabilities and features of the Narwhal in addition to the seventy strong crew's living quarters, pastimes and food. Includes footage of emergency drills, "Silent Watch" and from many sections of the ship.